After the bitcoin craze rose to a near-fever pitch in the last several weeks of 2017, several investors and analysts in the space see more growing pains for cryptocurrencies this year. Here are five predictions for digital currencies, based on those interviews: 1. More institutions will get into cryptocurrencies. "Our institutional investor base is very interested in learning more and getting exposure," said Michael Graham, a Canaccord Genuity analyst who has published several reports on digital currencies. "One of our major themes is that as we roll out through 2018, it's the year of institutions getting ... (full story)